Etymology

radiocarbon

R1A1D2I1O1C3A1R1B3O1N1

Today it means: A radioactive isotope of carbon, especially 146C. Full definition →

English carbon ← French carbone ← Latin carbōnem
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The story

  1. Latinradius
  2. Englishradio-
  3. Proto-Indo-European*kerh₃-der.?
  4. Latincarbōnem
  5. Frenchcarbone
  6. Englishcarbon
  7. English todayradiocarbon

From radio- + carbon.

Etymology from Wiktionary, CC BY-SA 4.0.